OWI1055 Features: * Entices students and train enthusiasts alike to learn about the environmental benefits of renewable energy * Two interlocking cars attach to the engine, allowing young builders to focus on self-motivation, perseverance and manipulation * Designed to teach how solar power is used to drive a small motor * 18 Parts snap together and are secured with only four screws * Building this amazingly fast eco-friendly train and watch it travel without rails * For ages 10 and up